Napkin vs ConceptViz vs Eraser vs ChartGen

Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.

Your tool
Napkin
vs
Competitor 1
ConceptViz
Competitor 2
Eraser
Competitor 3
ChartGen
Compare
4 tools · best value per row highlighted
Your tool Napkin
napkin.ai
Napkin works directly from your text: paste or import it, click generate, and it proposes visuals that match the ideas in the writing.
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Competitor ConceptViz
conceptviz.app
A high school biology teacher needs to explain cellular respiration on Monday morning
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Competitor Eraser
eraser.io
Eraser is an AI diagramming tool for technical and process teams that generates diagrams from text prompts, code, or uploaded files.
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Competitor ChartGen
chartgen.ai
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Traffic estimated monthly website traffic
Monthly visits
1.3Mvisits/mo
105.1Kvisits/mo
—
147.9Kvisits/mo
MoM change
▼ 8.5%
▼ 21.0%
—
▼ 5.3%
6-month growth
-46.4%
+127.9%
—
+120.1%
Global rank web
#36,124
#330,590
—
#281,150
Avg. last 3 months
1.4M
117.4K
—
150.3K
Bounce rate lower is better
41%
47%
—
43%
Pages / visit
3.9
1.9
—
2.0
Visit duration
2m 36s
46s
—
57s
Traffic sources
● Direct 86% · ● Referral 9%
● Direct 72% · ● Referral 26%
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● Direct 78% · ● Referral 20%
NapkinConceptVizEraserChartGen
0831.2K1.7M2.5M3.3MNapkin · 3.3MNapkin · 2.7MNapkin · 2.4MNapkin · 2.3MNapkin · 2.4MNapkin · 2.1MNapkin · 1.8MNapkin · 1.6MNapkin · 1.4MNapkin · 1.3MConceptViz · 688ConceptViz · 3.8KConceptViz · 9.3KConceptViz · 46.1KConceptViz · 89.6KConceptViz · 101.8KConceptViz · 114.2KConceptViz · 132.9KConceptViz · 105.1KChartGen · 166ChartGen · 6.6KChartGen · 27.6KChartGen · 67.2KChartGen · 99.1KChartGen · 148.3KChartGen · 146.7KChartGen · 156.2KChartGen · 147.9K1001K10K100K1M10MNapkin · 3.3MNapkin · 2.7MNapkin · 2.4MNapkin · 2.3MNapkin · 2.4MNapkin · 2.1MNapkin · 1.8MNapkin · 1.6MNapkin · 1.4MNapkin · 1.3MConceptViz · 688ConceptViz · 3.8KConceptViz · 9.3KConceptViz · 46.1KConceptViz · 89.6KConceptViz · 101.8KConceptViz · 114.2KConceptViz · 132.9KConceptViz · 105.1KChartGen · 166ChartGen · 6.6KChartGen · 27.6KChartGen · 67.2KChartGen · 99.1KChartGen · 148.3KChartGen · 146.7KChartGen · 156.2KChartGen · 147.9KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
$9per month · free tier available
$10per month · free tier available
$15per month · free tier available
$10per month · free tier available
Free tier
Free trial
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–
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API access
–
–
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Plans
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Free FreeStandard Plan $10/moPro Plan $20/moLifetime Deal $229/one-time
Free FreeStarter $15/moBusiness $45/moEnterprise Custom
Free FreeStarter $10/moGrowth $25/moPlus $50/mo+1 more
Capabilities input → output
Input
DataText
DocumentsText
CodeDocumentsImagesText
DataText
Output
DataImagesSlides
Images
Images
Data
Skill level
Beginner-friendly
Intermediate
Intermediate
Beginner-friendly
Categories
Design & CreativeProductivity & OfficeAI ChartingAI Diagram Generator+3 more
Design & CreativeImage GenerationProductivity & OfficeAI Charting+3 more
Productivity & OfficeAI Diagram Generator
Productivity & OfficeAI Charting
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
7
3
2
2
Diagrams
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Charts
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Data charts
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Flowcharts
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–
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Infographics
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–
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Mind maps
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Code diagramming
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Descriptive image generation
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Image generation
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4K image generation
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Presentations
–
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
0
Verified listing
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Traffic figures are third-party estimates for the tool's own domain; tools sharing a domain with a bigger product are not counted. Pricing is captured from each tool's site and may lag.